Simple ciphers

About the library

The library contains three simple ciphers: rail-fence, rotating square and wizner cipher

Class RailFence:

Methods:

• encode(String message, int key) - return encoded message with a cipher "Rail-Fence" with the specified key.
• decode(String message, int key) - return decoded message with a cipher "Rail-Fence" with the specified key.

Class VigenerCipher:

Constructors:

• VigenerCipher() - default, RUSSIAN ALPHABET
• VigenerCipher(String aplhaber) - With the assignment the alphabet. The characters are written consecutively by a string. Example: "АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ"

Methods:

• encode(String message, str keyword) - return encoded message with a Vigener cipher with the specified keyword.
• decode(String message, str keyword) - return decoded message with a Vigener cipher with the specified keyword.

Class RotatingSquare:

Constructors:

• RotatingSquare() - default, used default key.
• RotatingSquare(int[][] key) - With the assignment the key, key - the array of "holes" in the square of the format [ [x,y], [x,y], ..]. Example: {{0,0}, {3,1}, {2,2}, {1,3}}

Methods:

• encode(String message) - return encoded message with a cipher "Rotating Square".
• decode(String message) - return decoded message with a cipher "Rotating Square".